big bang theory

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Across
  1. 3. the theory of how the universe started
  2. 5. very small subatomic particles that consist of 6 flavors
  3. 6. what our universe is always doing
  4. 7. only one of these is needed to create hydrogen
  5. 8. the force that pulls us towards the earth
  6. 10. the effect of light waves or sound waves being stretched
Down
  1. 1. the first element to be created
  2. 2. what the universe was full of when it was first created
  3. 4. what are always moving away from each other.
  4. 9. the second element to be created